- A9
- B11
- C10
- D20
Step-by-Step Solution
Frequency of third class = 22 - 12 = 10 (difference of consecutive cumulative frequencies).
Answer: C) 10
Less-than cumulative frequencies are 5, 12, 22, 30. What is the simple frequency of the third class?
Class 10Cumulative Frequency and OgiveStatistics and Probability
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